Re: [Intel-gfx] [PATCH 2/4] drm/i915: Use drm_hdmi_avi_infoframe_quant_range() for SDVO HDMI as well

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On Tue, 2018-11-20 at 18:13 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> Fill out the AVI infoframe quantization range bits using
> drm_hdmi_avi_infoframe_quant_range() for SDVO HDMI encoder as well.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_sdvo.c | 19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_sdvo.c
> b/drivers/gpu/drm/i915/intel_sdvo.c
> index 1277d31adb54..9c16e273fb8d 100644
> --- a/drivers/gpu/drm/i915/intel_sdvo.c
> +++ b/drivers/gpu/drm/i915/intel_sdvo.c
> @@ -984,6 +984,8 @@ static bool intel_sdvo_set_avi_infoframe(struct
> intel_sdvo *intel_sdvo,
>  					 const struct intel_crtc_state
> *pipe_config,
>  					 const struct
> drm_connector_state *conn_state)
>  {
> +	const struct drm_display_mode *adjusted_mode =
> +		&pipe_config->base.adjusted_mode;
>  	uint8_t sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
>  	union hdmi_infoframe frame;
>  	int ret;
> @@ -991,20 +993,19 @@ static bool intel_sdvo_set_avi_infoframe(struct
> intel_sdvo *intel_sdvo,
>  
>  	ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
>  						       conn_state-
> >connector,
> -						       &pipe_config-
> >base.adjusted_mode);
> +						       adjusted_mode);
>  	if (ret < 0) {
>  		DRM_ERROR("couldn't fill AVI infoframe\n");
>  		return false;
>  	}
>  
> -	if (intel_sdvo->rgb_quant_range_selectable) {
> -		if (pipe_config->limited_color_range)
> -			frame.avi.quantization_range =
> -				HDMI_QUANTIZATION_RANGE_LIMITED;
> -		else
> -			frame.avi.quantization_range =
> -				HDMI_QUANTIZATION_RANGE_FULL;
> -	}
> +	drm_hdmi_avi_infoframe_quant_range(&frame.avi,
> +					   conn_state->connector,
> +					   adjusted_mode,
> +					   pipe_config-
> >limited_color_range ?
> +					   rgb_quant_range_selectableTE
> D :
> +					   HDMI_QUANTIZATION_RANGE_FULL
> ,
> +					   intel_sdvo-
> >rgb_quant_range_selectable);

Seems like avi.quantization_range can now get set to _LIMITED or _FULL
even when ->rgb_quant_range_selectable == false, i.e., it is not
_DEFAULT anymore. Is that change in behavior intended?


>  
>  	len = hdmi_infoframe_pack(&frame, sdvo_data,
> sizeof(sdvo_data));
>  	if (len < 0)

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